630 



GENEEAL INDEX. 



HOP 



Hopkins on action of earthquake wave, 



ii. 139 

 Horner, Mr., on thickness of Nile mud, 



i. 434 



• Icelandic geysers, ii. 220 



Horsburgh on icebergs in low latitudes, 



i. 246 

 Horse-tribe, gradational extinct forms 



of, ii. 483 

 Horses now a waning group, ii. 337 

 Horsfield, Dr., on earthquakes in Java, 



ii. 146 



mydaus of Java, ii. 359 

 Houses buried in alluvial deposits, ii. 



512 

 Hubbard on floods of North America, i, 



352 

 Hue, M., on yaks frozen in ice in Tibet, 



i. 190 

 Huggins on spectrum analysis of a va- 

 riable star, i. 303 

 Human remains, their durability, i. 166 



in caves contemporary with ex- 

 tinct quadrupeds, ii. 521 



rock at Guadaloiipe, ii. 544 



peatmosses, ii. 501 



Humber, 'warping' of the, i. 570 

 Humboldt on average rainfall, i. 329 



carcasses frozen in mud, i. 189 



— — Cumana earthquake, i. 11 



his definition of volcanic action, i. 



577 ^ ^ ■ 



on diffusion of heat over the globe, 

 i. 234 



loss of heat in southern hemi- 

 sphere, i. 284 



migration of animals, i. 179 

 thickness of snow on Alps, i. 287 

 Botanical regions, ii. 382 

 earthquake of Lisbon, ii. 148 

 eruption of JoruUo, ii. 53 

 insects driven to great heights by 

 the wind, ii. 379 



migration of animals from specific 



centres, ii. 336 



migration of American waterfowl, 

 ii. 364 



origin of gulf-weed, ii. 392 

 spread of domestic cattle in the 



Pampas, ii. 458 



Humphreys, General, on Mississippi, i. 

 449 



Humphreys and Abbot, MM., report on 

 Mississippi, i. 442-445 



— sediment carried down by 

 Mississippi, i. 453-458 

 Hunt, Mr T.Sterry, on petroleum, i.413 

 Hunter, John, on hybrids, ii. 306 



multiple origin of the dog, ii. 

 293 



Hurst Castle shingle bank, i. 531 



ICE 



Hutchinson, John, his Moses's Principia, 

 i. 49 



Hutton distinguished Geology from Cos- 

 mogony, i. 4 



theory of, 73, 74-77, 83 



on original formation of the earth, ii, 

 200 



Huxley on origin of Ancon sheep, ii, 

 312 



term * Natural Selection,' ii. 318 



six-fingered variety of man, ii. 



477 

 Hybrid wild plants, ii. 324 



Hybridisation of animals and plants, ii, 

 305 



Hybridity will not account for special 



instincts, ii. 325 

 Hybrids of canine species, ii. 306 



— between horse and ass, ii. 306 



— powerless in the struggle for exist- 

 ence, ii. 310 



Hydrogen present in volcanic eruptions. 

 ii. 224 



Hypogene rocks, i, 144 



CE, animals imbedded in, i. 296 

 — floating in sea of white chalk, i. 

 216 



solid matter transported by, i. 363 

 thickness and extent of polar, i. 285 

 action and erratics, i. 108 

 ■ — in Eocene period, i. 209 



in Miocene times, i. 205 



supposed, in Permian period, i. 



222 



in Devonian period, i. 231 

 transportation of rocks by, in Ealtic, 

 ii. 182 

 Iceberg, seen off Cape of Good Hope, i. 

 246 



carrying a mass of rocks, i. 381 

 Icebergs, a means of conveying seeds to 

 islands, ii. 419 

 carrying blocks, i. 379 



— floating south, a caiise of cold, i. 245 

 Ice-cap, probable thickness of polar, i. 



288 



— on pole, affecting the level of the 

 ocean, i. 272, 285, 289 



Ice-caps at both poles, in the Glacial 

 period, i. 282 



— effect of, on the level of the ocean, 

 i. 289, 290 



Ice-floes, drifting of animals on, ii. 160 

 Ice-streams in Baffin's Bay, i. 288 

 Iceland, icebergs stranded on, i. 245 



increase of reindeer imported into, * 

 ii. 450 



geysers of, i. 409 ; ii. 215 



Miocene strata of, i. 201 



Ii;e 



^ 



^ 



stp. 

 vol' 



w 



,< - 



11. 



--oft- 



Indian 1 

 fhiel 



the.: 

 Mas/ 



ii.99 

 -map 



;::a 



h:- : 



lohodi 



iititt 



189 



T, 



*t 



T * 



" 01 A* 



»i 



1I.4].- 



\ > 



iml 



.1 



] 



33; 



-a 



*> 





